420212414243 has 4 divisors (see below), whose sum is σ = 423420142728. Its totient is φ = 417004685760.

The previous prime is 420212414233. The next prime is 420212414263. The reversal of 420212414243 is 342414212024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420212414243 - 2⁴ = 420212414227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420212414213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603864046 + ... + 1603864307.

It is an arithmetic number, because the mean of its divisors is an integer number (105855035682).

Almost surely, 2^420212414243 is an apocalyptic number.

420212414243 is a deficient number, since it is larger than the sum of its proper divisors (3207728485).

420212414243 is a wasteful number, since it uses less digits than its factorization.

420212414243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207728484.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 420212414243 its reverse (342414212024), we get a palindrome (762626626267).

The spelling of 420212414243 in words is "four hundred twenty billion, two hundred twelve million, four hundred fourteen thousand, two hundred forty-three".